So many un-answered questions

So the whole Sarah, Maggie, Xander, Rex storyline is really getting to me. First, Maggie is supposed to be with Summer in Las Vegas. When faux Sarah left, she told Rex she was going to see her mom and Summer. I know Xander thinks she’s gone off with Rex, but Xander and Maggie were close. She never once called him after faux Sarah broke up with him. She also never called Sarah to find out what happened. It’s like a vacuum! No one seems to wonder how anyone is doing. And Kayla, the COS, hasn’t wondered what happened to Sarah either. This whole storyline is just ridiculous. When is someone going to get a clue?